PDF

django/library/urls.py

@@ -20,5 +20,7 @@ urlpatterns = [
     path('detail/copy/<int:pk>/', views.copy_quiz, name='copy_quiz'),
     path('favorite_quiz/<int:pk>/', views.favorite_quiz, name='favorite_quiz'),
     path("quiz-names-json/", views.quiz_names_json, name="quiz_names_json"),
+    path('quiz/<int:pk>/pdf/', views.pdf_solution, name='quiz_solution'),
+    path('quiz/<int:pk>/pdf/task', views.pdf_task, name='quiz_task'),
 
 ]

django/library/views.py

@@ -17,6 +17,329 @@ from django.contrib.auth.models import User
 from urllib.parse import urlparse, urlunparse
 # Übersicht aller Quizze
 
+from reportlab.lib.pagesizes import A4
+from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
+from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle
+from reportlab.lib import colors
+from django.http import HttpResponse
+import json
+from datetime import datetime
+from reportlab.platypus import Image
+
+from reportlab.lib import colors
+from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle, HRFlowable
+from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
+from reportlab.lib.pagesizes import A4
+from django.http import HttpResponse
+from django.shortcuts import get_object_or_404
+import json
+from io import BytesIO
+import requests
+from django.core.files.storage import default_storage
+from PIL import Image as PILImage,  ImageOps
+from django.conf import settings
+import os
+from django.utils.html import escape
+
+def pdf_solution(request, pk):
+    quiz = get_object_or_404(QivipQuiz, pk=pk)
+    
+    questions = QivipQuestion.objects.filter(quiz_id=quiz)
+
+    for question in questions:
+        if question.data:
+            question.data = json.loads(question.data)
+
+    response = HttpResponse(content_type='application/pdf')
+    response['Content-Disposition'] = f'attachment; filename="Lösungen - {quiz.name}.pdf"'
+
+    doc = SimpleDocTemplate(response, pagesize=A4,
+                            rightMargin=40, leftMargin=40,
+                            topMargin=60, bottomMargin=60)
+
+    styles = getSampleStyleSheet()
+
+    # Stil für Quiz-Titel
+    title_style = ParagraphStyle(
+        'TitleStyle',
+        parent=styles['Title'],
+        alignment=1,  # zentriert
+        fontSize=14,
+        spaceAfter=2,
+    )
+
+    # Stil für Fragen-Box
+    question_box_style = ParagraphStyle(
+        'QuestionBox',
+        fontSize=10,
+        leading=16,
+        fontName='Helvetica-Bold',
+       
+       
+        spaceAfter=8,
+        leftIndent=6,
+        rightIndent=6,
+
+        alignment=0
+    )
+
+    # Stil für Antwort (richtig)
+    answer_correct_style = ParagraphStyle(
+        'AnswerCorrect',
+        fontSize=11,
+        leading=14,
+        textColor=colors.green,
+        leftIndent=20,
+        spaceAfter=4,
+    )
+
+    # Stil für Antwort (falsch)
+    answer_wrong_style = ParagraphStyle(
+        'AnswerWrong',
+        fontSize=11,
+        leading=14,
+        textColor=colors.red,
+        leftIndent=20,
+        spaceAfter=4,
+    )
+
+    # Stil für normalen Antwort-Text (ohne Antwortanzeige)
+    answer_neutral_style = ParagraphStyle(
+        'AnswerNeutral',
+        fontSize=11,
+        leading=14,
+        textColor=colors.black,
+        leftIndent=20,
+        spaceAfter=4,
+    )
+    date_style = ParagraphStyle(
+    name='RightAligned',
+    parent=styles['Normal'],
+    alignment=2,
+)
+
+    story = []
+
+    story.append(Paragraph(f"Quiz: {quiz.name}", title_style))
+    story.append(Paragraph(f"- Lösungen -", title_style))
+    story.append(Spacer(1, 20))
+
+    story.append(Paragraph(datetime.today().strftime("%d.%m.%Y"),  date_style))
+    story.append(Spacer(1, 20))
+
+    if quiz.description:
+        story.append(Paragraph(quiz.description, styles['Normal']))
+        story.append(Spacer(1, 20))
+    
+
+
+    for i, question in enumerate(questions, start=1):
+        data = question.data
+        frage_text = data.get('question', 'Frage nicht gefunden.')
+
+        story.append(Paragraph(f"Frage {i}: {frage_text}", question_box_style))
+        story.append(Spacer(1, 6))
+
+        rl_image = None
+        if hasattr(question, 'image') and question.image and question.image.image:
+            image_url = request.build_absolute_uri(question.image.image.url)
+            img_response = requests.get(image_url)
+            if img_response.status_code == 200:
+                image_data = BytesIO(img_response.content)
+                pil_image = PILImage.open(image_data)
+                pil_image = ImageOps.exif_transpose(pil_image)
+                orig_width, orig_height = pil_image.size
+                max_width = 80
+                max_height = 80
+                ratio = min(max_width / orig_width, max_height / orig_height)
+                new_width = orig_width * ratio
+                new_height = orig_height * ratio
+                output = BytesIO()
+                pil_image.save(output, format='JPEG')
+                output.seek(0)
+
+                rl_image = Image(output, width=new_width, height=new_height)
+
+        options = data.get('options', [])
+        answer_paragraphs = []
+        for idx, option in enumerate(options, start=1):
+            opt_text = option.get('value', '')
+            if option.get('is_correct', False):
+                text = f"✔ {opt_text}"
+                style = answer_correct_style
+            else:
+                text = f"✘ {opt_text}"
+                style = answer_wrong_style
+            answer_paragraphs.append(Paragraph(text, style))
+
+        if rl_image:
+        # Tabelle mit Bild links und Antworten rechts
+         from reportlab.platypus import Table, TableStyle
+         from reportlab.lib.units import cm
+         data_table = [[rl_image, answer_paragraphs]]
+         table = Table(data_table, colWidths=[6*cm, 10*cm])
+         table.setStyle(TableStyle([
+            ('VALIGN', (0,0), (-1,-1), 'TOP'),
+            ('LEFTPADDING', (0,0), (-1,-1), 0),
+            ('RIGHTPADDING', (0,0), (-1,-1), 10),
+        ]))
+         story.append(table)
+        else:
+        # Kein Bild, Antworten einfach nacheinander
+            for p in answer_paragraphs:
+                story.append(p)
+
+        story.append(Spacer(1, 12))
+        story.append(HRFlowable(width="100%", thickness=1, color=colors.grey))
+        story.append(Spacer(1, 12))
+    current_url = request.build_absolute_uri(f"/library/detail/{quiz.pk}/")
+    escaped_url = escape(current_url)  # Sicherheitshalber escapen
+
+    link_html = f'<a href="{escaped_url}" color="blue">{escaped_url}</a>'
+    story.append(Paragraph(link_html, styles['Normal']))
+    
+
+    doc.build(story)
+    return response
+def pdf_task(request, pk):
+    quiz = get_object_or_404(QivipQuiz, pk=pk)
+    questions = QivipQuestion.objects.filter(quiz_id=quiz)
+
+    for question in questions:
+        if question.data:
+            question.data = json.loads(question.data)
+
+    response = HttpResponse(content_type='application/pdf')
+    response['Content-Disposition'] = f'attachment; filename="Aufgabenblatt - {quiz.name}.pdf"'
+
+    doc = SimpleDocTemplate(response, pagesize=A4,
+                            rightMargin=40, leftMargin=40,
+                            topMargin=60, bottomMargin=60)
+
+    styles = getSampleStyleSheet()
+
+    title_style = ParagraphStyle(
+        'TitleStyle',
+        parent=styles['Title'],
+        alignment=1,
+        fontSize=14,
+        spaceAfter=2,
+        fontName='Helvetica-Bold',
+    )
+
+    question_box_style = ParagraphStyle(
+        'QuestionBox',
+        fontSize=10,
+        leading=16,
+        fontName='Helvetica-Bold',
+        spaceAfter=8,
+        leftIndent=6,
+        rightIndent=6,
+        alignment=0
+    )
+
+    
+
+    answer_neutral_style = ParagraphStyle(
+        'AnswerNeutral',
+        fontSize=11,
+        leading=14,
+        textColor=colors.black,
+        leftIndent=20,
+        spaceAfter=4,
+    )
+
+    date_style = ParagraphStyle(
+        name='RightAligned',
+        parent=styles['Normal'],
+        alignment=2,
+    )
+    
+    name_style = ParagraphStyle(
+        name='RightAligned',
+        parent=styles['Normal'],
+        alignment=0,
+    )
+    story = []
+
+    # Titel & Datum
+    story.append(Paragraph(f"Aufgabenblatt: {quiz.name}", title_style))
+    story.append(Spacer(1, 20))
+    story.append(Paragraph(datetime.today().strftime("%d.%m.%Y"), date_style))
+    story.append(Spacer(1, 20))
+    story.append(Paragraph("Name: ", name_style))
+    story.append(Spacer(1, 20))
+
+    if quiz.description:
+        story.append(Paragraph(quiz.description, styles['Normal']))
+        story.append(Spacer(1, 20))
+
+    for i, question in enumerate(questions, start=1):
+        data = question.data
+        frage_text = data.get('question', 'Frage nicht gefunden.')
+        story.append(Paragraph(f"Frage {i}: {frage_text}", question_box_style))
+        story.append(Spacer(1, 6))
+
+        rl_image = None
+        if hasattr(question, 'image') and question.image and question.image.image:
+            image_url = request.build_absolute_uri(question.image.image.url)
+            img_response = requests.get(image_url)
+            if img_response.status_code == 200:
+                image_data = BytesIO(img_response.content)
+                pil_image = PILImage.open(image_data)
+                pil_image = ImageOps.exif_transpose(pil_image)
+                orig_width, orig_height = pil_image.size
+                max_width = 80  # gleich wie bei Lösungen
+                max_height = 80
+                ratio = min(max_width / orig_width, max_height / orig_height)
+                new_width = orig_width * ratio
+                new_height = orig_height * ratio
+                output = BytesIO()
+                pil_image.save(output, format='JPEG')
+                output.seek(0)
+                rl_image = Image(output, width=new_width, height=new_height)
+
+        options = data.get('options', [])
+
+        answer_paragraphs = []
+        for idx, option in enumerate(options, start=1):
+            
+            opt_text = option.get('value', '')
+            if data.get("type") !="input":
+                opt_text = option.get('value', '')
+                answer_paragraphs.append(Paragraph(f"{idx}. {opt_text}", answer_neutral_style))
+            else:
+                story.append(Paragraph("Deine Antwort: ", answer_neutral_style))
+                story.append(Spacer(1, 12))
+
+        if rl_image:
+            from reportlab.platypus import Table, TableStyle
+            from reportlab.lib.units import cm
+            data_table = [[rl_image, answer_paragraphs]]
+            table = Table(data_table, colWidths=[6*cm, 10*cm])
+            table.setStyle(TableStyle([
+                ('VALIGN', (0,0), (-1,-1), 'TOP'),
+                ('LEFTPADDING', (0,0), (-1,-1), 0),
+                ('RIGHTPADDING', (0,0), (-1,-1), 10),
+            ]))
+            story.append(table)
+        else:
+            for p in answer_paragraphs:
+                story.append(p)
+
+        story.append(Spacer(1, 12))
+        story.append(HRFlowable(width="100%", thickness=1, color=colors.grey))
+        story.append(Spacer(1, 12))
+        current_url = request.build_absolute_uri(f"/library/detail/{quiz.pk}/")
+    escaped_url = escape(current_url)  # Sicherheitshalber escapen
+
+    link_html = f'<a href="{escaped_url}" color="blue">{escaped_url}</a>'
+    story.append(Paragraph(link_html, styles['Normal']))
+    doc.build(story)
+    return response
+
+
+
 
 def quiz_names_json(request):
     form = QuizFilterForm(request.GET)

django/templates/library/detail_quiz.html

@@ -3,7 +3,6 @@
 {% block content %}
 
 <div class="container mx-auto px-4">
-    
     <div class="flex flex-wrap space-y-2 items-center justify-between mb-6 dark:text-white">
         <h1 class="text-2xl font-bold mr-4 dark:text-white ">{{ quiz.name }}</h1> 
      
@@ -50,9 +49,10 @@
               </div>
             </div>
           
+            
        
     </div>
-
+  
     {% if quiz.description %}
     <p class="text-gray-600 mb-4 dark:text-gray-400">{{ quiz.description }}</p>
     {% endif %}
@@ -253,6 +253,38 @@
     {% endif %}
 </div>
 
+ {% if questions %}
+<div class="flex flex-col sm:flex-row gap-4 items-start sm:items-center my-6">
+
+     <!-- Aufgabenblatt herunterladen Button -->
+
+  <a href="{% url 'library:quiz_task' pk=quiz.pk %}?show_answers=true"
+     target="_blank"
+     class=" inline-flex items-center gap-2 px-2 py-2 rounded-lg bg-blue-600 hover:bg-blue-700 text-white shadow-md transition">
+    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none"
+         viewBox="0 0 24 24" stroke="currentColor">
+      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+            d="M12 4v16m8-8H4" />
+    </svg>
+    als Aufgabenblatt herunterladen (PDF)
+  </a>
+ 
+  <!-- Lösung herunterladen Button -->
+  <a href="{% url 'library:quiz_solution' pk=quiz.pk %}?show_answers=true"
+     target="_blank"
+     class="inline-flex items-center gap-2 px-2 py-2 rounded-lg bg-green-600 hover:bg-green-700 text-white  shadow-md transition">
+    <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none"
+         viewBox="0 0 24 24" stroke="currentColor">
+      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+            d="M12 4v16m8-8H4" />
+    </svg>
+    Lösungen herunterladen (PDF)
+  </a>
+
+ 
+
+</div>
+   {% endif %}
 <div class="flex flex-col max-w-full">
      <p class="text-gray-600 mt-2 dark:text-white ">Credits: </p>
     {% if quiz.credits %}
@@ -266,6 +298,8 @@
     
 </div>
 
+
+
 <div class="flex flex-col max-w-full">
     <ul class="space-y-2">
         {% regroup questions by credits as grouped_credits %}
@@ -284,7 +318,6 @@
     </ul>
 </div>
 
-
 </div>
 
 {% endblock %}

requirements.txt

@@ -8,4 +8,5 @@ django-cleanup
 redis
 channels_redis
 python-dotenv    # Production server safety
-qrcode~=7.4.2
+qrcode~=7.4.2
+reportlab~=4.2.0